03-10-2010, 05:12 PM
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Originally Posted by dwayne wade
I cant test my hardness of the water i dont have that test my ph of the tap water is 8.2 wit high range ph and 7.6 with the regular ph chart on the api freshwater master test kit. Which one do i go buy?
I'm guessing here, but if your store's pH is 7.4, and assuming your water is from the same source as theirs, I would expect the 7.6 test result to be closest, but this needs confirming to be sure. I recommend you take a tap water sample to the fish store; most will do tests for pH and hardness. Ask them for the actual numbers of the tests, otherwise we won't know where you stand. Another option is to check with the local water board; most will tell you the hardness of the water, or they may have this on their website.
Once we know this, we will probably know why your tank is at a pH of 6.6; the hardness is the critical factor in this.